Continuing the epic big-screen adventures started in Iron Man, The Incredible Hulk, Iron Man 2, Thor and Captain America: The First Avenger, the May 4 release is the superhero team up of a lifetime. When an unexpected enemy emerges that threatens global safety and security, Nick Fury, Director of the international peacekeeping agency known as SHIELD, finds himself in need of a team to pull the world back from the brink of disaster. Spanning the globe, a daring recruitment effort begins.